Perhaps you should try some spelling variations:
oral communication » personal communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
developing east » development east, developing a, developing asia
contents map » contents 1, contents _
4 developing » 3 developing
east africa » west africa
costs 4 » costs _, costs a, costs 4.2

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien dis information contents map oral communication costs 4 developing east africa.*.